Mike Tindall has taken a swipe at Boris Johnson’s book just weeks after an extract of the memoir was released touching on Prince Harry’s decision to leave the Royal Family. Tindall took to Instagram on Wednesday to share a side-by-side comparison of the two books. He captioned the post: “We’ve been copied…OUR book (The Good, The Bad & The Rugby: Unleashed) is out tomorrow.” Tindall co-wrote the book with his former England rugby teammate James Haskell. Boris Johnson’s book is titled Unleashed and the similarity was pointed out by Tindall. Other similarities noted by Tindall were having a “co…